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A contribution to the question of the oviposition of Phorbia coarctata Fall. on cultivated soil, artificial fallow and in the laboratory, and on its flight in the open


, : A contribution to the question of the oviposition of Phorbia coarctata Fall. on cultivated soil, artificial fallow and in the laboratory, and on its flight in the open. Zeitschrift fur Angewandte Entomologie 67(4): 397-411

Field investigations on oviposition by Hylemya (Phorbia) coarctata (Fall.) showed that eggs were preferably laid in fields of potato, swede or sugar-beet, and in fields of swede or beet were mainly laid in the rows. A similar effect could not be observed in potato fields. A rough soil surface attracted flies rather more for oviposition than an even surface. Simulated soil elevation, achieved by the use of boxes, resulted in more eggs being deposited on the north side of these than elsewhere.

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